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from face to trailing edge to help stabilize the face at impact, which makes it extremely forgiving on miss-hits. To speed up this larger head design, CALLAWAY worked with engineers at Boeing to improve its aerodynamics, which reduces drag and increases ball velocity and distance. Also contributing to improved ballspeed is a thinner (up to 19 percent), faster face.

M1 predecessor, features a lightweight carbon composite crown that weighs fi ve grams less than the material it replaces. That fi ve grams is repositioned low and back in the clubhead for an increased moment of inertia (MOI) and more stability on off -center hits. Two other tech features—the company’s Inverted Cone Technology and a redesigned Speed Pocket—promote greater face fl exion on shots struck toward the heel, toe or lower on the face. This results in less ball speed—and distance —when you stray from the sweetspot. You’re given plenty of adjustability, too, via the 12-position loft sleeve.